Some examples of using WMI through [TWAPI COM support].

All examples assume you have initialized with

  package require twapi 1.0
  set wmi [twapi::_wmi]

and remember to do a 

  $wmi -destroy

at the end

----

'''BIOS'''

Print [BIOS] information

  $wmi -with {{ExecQuery "select * from Win32_BIOS"}} -iterate bios { puts [$bios GetObjectText_]}

Print a specific BIOS field

  $wmi -with {{ExecQuery "select * from Win32_BIOS"}} -iterate bios { puts [$bios BiosVersion]}